A partner in the firm’s Insurance Coverage & Commercial Litigation Practice Groups, Bill litigates before trial and appellate courts throughout the U.S.

He has represented insurers in the September 11 World Trade Center liability coverage litigation, the BPA plastic products coverage litigation, and Shell Oil Company v. Aetna Casualty and Surety Company. He has served as counsel for insurers in the defense of class actions involving underwriting and claim procedures and numerous insurance coverage claims and suits ranging from intellectual property liabilities and business torts to national environmental, antitrust, and reinsurance claims.

Bill served as lead counsel in Nassau County’s suit opposing financial oversight by the Nassau Interim Finance Authority and in suits against the county regarding certain tax-related claims.

An active speaker across the country, Bill has presented workshops on reinsurance, fracking liabilities, medical monitoring “no injury” suits, privacy, terrorism-related liabilities, and the relationship between primary and excess insurers.

Court Admissions

U.S. Supreme Court

U.S. Court of Appeals, Second, Third, Sixth, Seventh and Ninth Circuits

U.S. District Courts for the Southern and Eastern Districts of New York

Bar Affiliations

Nassau County Bar Association – Past President

New York State Bar Association

American Bar Association

Education

Fordham University, J.D.

Villanova University, B.S. in Economics

News & Publications

• 54 Rivkin Radler Attorneys Named 2025 New York Metro Super Lawyers®/Rising Stars
  October 30 | 2025
• Over 25 Percent of Rivkin Radler Attorneys Recognized by Best Lawyers in America®
  August 21 | 2025
• Rivkin Radler’s Insurance Practice Ascends in The Legal 500 Rankings
  June 11 | 2025

Bill is a member of the Board of Directors of St. Francis Hospital’s Institutional Review Board. He also serves as a member of the Board of Directors of the Insurance Federation of New York, Inc. He has also served on the Board of Directors of Fireman’s Fund Indemnity Corporation. Bill is a past chairman of the Board of Directors of Long Island’s United Way and a past member of the Executive Committee of the Long Island Association. He is a member of the Nassau County Bar Association, where he served as President. He also has served as Mayor of the Village of Old Brookville, NY, and as President of the Villanova University Alumni Association.

Bill was chair of the Nassau County Bar Association Judiciary Committee and of the State of New York Tenth Judicial District’s Independent Judicial Election Qualification Commission.

New York State’s Chief Judge named Bill to the Advisory Committee tasked with making recommendations on implementing a pro bono service requirement for attorneys seeking admission to the New York Bar. Also, he was appointed to currently serve as a member of the Commercial Division Advisory Council regarding the review of the rules of the New York State Supreme Court’s Commercial Division. The Board of Directors of the New York Bar Foundation elected Bill a Fellow of the Foundation in 2014.

Bill serves on the distinguished panel of neutrals at National Arbitration Mediation.

Bill is a recipient of the Fordham University School of Law Long Island Distinguished Alumni Award, the Firefighters Leadership Award by the Nassau County Firefighters Museum, the Nassau County Bar Association’s WE CARE Fund honor and the Long Island YMCA honor.

Since 2021, the well-respected Legal 500 has recommended Bill in the Insurance: Advice to Insurers category. Chambers and Partners and from 2018 to 2020 named Bill a Ranked Practitioner in Band 3 within the Insurance: Dispute Resolution: Insurer category for New York. He has been named to Best Lawyers in America^® for Insurance Law and Litigation-Insurance from 2017 to 2026. In addition, he was named a 2021 and 2023 Lawyer of the Year. This recognition is awarded to individual lawyers with the highest overall peer-feedback for a specific practice area and geographic region. In 2016, he was named a Top Rated Lawyer in Insurance Law by American Lawyer Media. He also has been recognized in New York Super Lawyers from 2008 to 2025 and is AV Preeminent-rated by Martindale-Hubbell.

He has been listed as one of the 100 Most Influential Long Islanders by the Long Island Business News and among the Top 50 Most Influential Long Islanders by the Long Island Press.

Since 2019, Legal 500 has recommended Rivkin Radler’s Insurance Coverage Practice Group in the Insurance: Advice to Insurers category. The Insurance Coverage Practice Group since 2016 has been included in the Chambers USA directory in the Insurance: Dispute Resolution: Insurer category.